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Microstructural evolution of an Al–Mg–Si–Mn– Fe alloy due to Ti and P addition

  • Małgorzata Warmuzek , Adelajda Polkowska EMAIL logo , Viktoria Boyko , Edward Czekaj , Konstantin Mikhalenkov and Krzysztof Saja
Published/Copyright: September 24, 2021
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 112 Issue 9

Abstract

This paper presents the results of research on material and microstructural effects in a hypoutectic Al–Mg– Si–Mn–Fe alloy, modified by the addition of Ti and Ti + P, in two series of castings, gravity and pressure. It has been found that the use of high pressure die casting technology allows for significant improvement of mechanical properties, especially tensile strength and plasticity of the examined alloy. On the other hand, the addition of Ti and Ti + P caused different material effects. In gravity castings, the addition of Ti and Ti + P caused a decrease in strength and plasticity, while in high-pressure castings, an increase in the values of these parameters was observed. The microstructural effects related to the foundry technology and those caused by Ti and P additions were revealed, such as differences in the phase composition of the interdendritic eutectics and in the morphology and dispersion of their phase constituents: Mg2Si and α-Al(Fe,Mn)Si.

Keywords: Aluminum alloy; Microstructure; Chemical modification; Cast technology
Adelajda Polkowska Department name: Materials Testing Laboratories University name: Łukasiewicz Research Network – Kraków Institute of Technology Zakopiańska 73 Str., 30-418 Krakow Poland Tel.: +48 12 26 18 324 Fax: +48 12 26 60 870 https://iod.krakow.pl

Funding statement: This work was realized with the financial support of KIT-Łukasiewicz Research Network, under project No. 9012/00, 2019

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Received: 2020-06-17
Accepted: 2021-06-06
Published Online: 2021-09-24
Published in Print: 2021-09-30

© 2021 Walter de Gruyter GmbH, Berlin/Boston, Germany

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  5. Microstructural evolution of an Al–Mg–Si–Mn– Fe alloy due to Ti and P addition
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https://doi.org/10.1515/ijmr-2020-7948
Keywords for this article
Aluminum alloy; Microstructure; Chemical modification; Cast technology

Articles in the same Issue

  1. Contents
  2. Original
  3. Grain refinement mechanism of rapidly solidified nickel alloys
  4. Microstructural evolution and properties of tungsten inert gas and fiber laser welded SUS445 ferritic stainless steel
  5. Microstructural evolution of an Al–Mg–Si–Mn– Fe alloy due to Ti and P addition
  6. Effects of Zr and Sc additions on precipitation of α-Al(FeMn)Si dispersoids under various heat treatments in Al–Mg–Si AA6082 alloys
  7. Si3N4/Graphene binary particles reinforced hybrid titanium composites and their characterization
  8. Phase relationships in the Fe-rich region of the Ce–Nd–B–Fe quaternary system at 773 K
  9. Enthalpies of mixing in ternary Al–Gd–Mn liquid alloys
  10. DFT study of electronic and thermodynamic properties of gold-rich intermetallic compounds, Ce2Au2Cd and CeAu4Cd2
  11. Conventional synthesis of perovskite structured LaTixFe1-xO3: A comprehensive evaluation on phase formation, opto-magnetic, and dielectric properties
  12. Notifications
  13. News
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